Gauss law relates the flux through a closed surface (a surface that encloses some volume) with charges present inside the  ….Read More >>

This law is useful in finding the magnetic field due to currents under certain conditions of symmetry. Consider a closed  ….Read More >>

A potentiometer is a conductor of uniform cross-section with a steady current set up in it. This maintains a uniform  ….Read More >>

SECTION 1 : CONSTITUENTS OF AN ATOM As discussed above, the ultimate particle of matter is not the atom. As  ….Read More >>

SECTION 1 : LAWS OF CHEMICAL COMBINATION 1.1 THE LAW OF CONSERVATION OF MASS (LAVOISER, 1744) : This law states  ….Read More >>

For a body moving in a circle of radius R with uniform speed v centripetal acceleration, This force acts along  ….Read More >>

Single Fixed Pulley It is a wheel like structure, generally disc or cylinder used for producing desired direction of motion.  ….Read More >>

INTRODUCTION : BREATHING AND EXCHANGE OF GASES Any process that uses oxygen and produces carbon dioxide is a respiratory process.  ….Read More >>

INTRODUCTION : BODY FLUIDS AND CIRCULATION We have learnt that all living cells have to be provided with nutrients, O2  ….Read More >>

INTRODUCTION : CELL CYCLE AND CELL DIVISION Growth and reproduction are characteristics of cells, indeed of all living organisms. All  ….Read More >>